JPS58172033A - デジタルフルエコ−サプレツサ - Google Patents
デジタルフルエコ−サプレツサInfo
- Publication number
- JPS58172033A JPS58172033A JP5392682A JP5392682A JPS58172033A JP S58172033 A JPS58172033 A JP S58172033A JP 5392682 A JP5392682 A JP 5392682A JP 5392682 A JP5392682 A JP 5392682A JP S58172033 A JPS58172033 A JP S58172033A
- Authority
- JP
- Japan
- Prior art keywords
- loss
- circuit
- control
- signal
- comparator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001629 suppression Effects 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 19
- 230000003111 delayed effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 229930091051 Arenine Natural products 0.000 description 1
- YVGGHNCTFXOJCH-UHFFFAOYSA-N DDT Chemical compound C1=CC(Cl)=CC=C1C(C(Cl)(Cl)Cl)C1=CC=C(Cl)C=C1 YVGGHNCTFXOJCH-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5392682A JPS58172033A (ja) | 1982-04-02 | 1982-04-02 | デジタルフルエコ−サプレツサ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5392682A JPS58172033A (ja) | 1982-04-02 | 1982-04-02 | デジタルフルエコ−サプレツサ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58172033A true JPS58172033A (ja) | 1983-10-08 |
| JPS6340499B2 JPS6340499B2 (enrdf_load_stackoverflow) | 1988-08-11 |
Family
ID=12956322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5392682A Granted JPS58172033A (ja) | 1982-04-02 | 1982-04-02 | デジタルフルエコ−サプレツサ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58172033A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0568622U (ja) * | 1992-02-25 | 1993-09-17 | 河西工業株式会社 | 射出成形品 |
-
1982
- 1982-04-02 JP JP5392682A patent/JPS58172033A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6340499B2 (enrdf_load_stackoverflow) | 1988-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5054061A (en) | Hands-free telephone | |
| JPH06204916A (ja) | 残留エコー制御装置 | |
| JP2000209135A (ja) | エコ―キャンセラ | |
| JPS58172033A (ja) | デジタルフルエコ−サプレツサ | |
| JP2962202B2 (ja) | 音声・データ双方向多重通信方法および装置 | |
| US5414763A (en) | Apparatus and method for providing echo suppression to a plurality of telephones | |
| JPH03266592A (ja) | 電話装置及び電話装置における通話レベル調整方法 | |
| US7027593B2 (en) | Apparatus and method for echo control | |
| JPH07226697A (ja) | 反響消去装置、反響消去方法及び反響消去装置を有する送受話器 | |
| US5898773A (en) | Telephone apparatus with call transfer function and with improved arrangement for hand-free operation | |
| JP3304609B2 (ja) | エコーキャンセラ学習方法 | |
| JPS59219058A (ja) | 拡声電話機用交換機 | |
| JPH0799505A (ja) | ループ型音声会議回路及びその確立方式 | |
| JPH07120989B2 (ja) | 圧縮多重化装置 | |
| JP2804114B2 (ja) | ボタン電話装置 | |
| JPH0612911B2 (ja) | 会議通話装置の音響廻り込み信号抑圧回路 | |
| JP2001111682A (ja) | エコーキャンセラ付き音声通信端末装置 | |
| JPH05130206A (ja) | ボタン電話装置 | |
| JPS62231528A (ja) | エコ−サプレツサの通話切断削減方式 | |
| JPS6356048A (ja) | 会議通話中におけるｐｂ信号受信方法 | |
| JPH0483429A (ja) | 残留エコー抑圧方式 | |
| JPS6288444A (ja) | エコ−キヤンセラ制御方式 | |
| JPS58138131A (ja) | デジタル多重エコ−サプレツサ | |
| JPS6128228A (ja) | 会議電話システム用無通話制御装置 | |
| JPS61292426A (ja) | エコ−サプレツサ |